结果表明：硬质合金-45钢双金属复合耐磨材料结合层硬度过渡均匀，冲击韧性是普通硬质合金的5—6倍。
The results show that the hardness of combination area of cemented carbide-steel 45 composite is 5—6 times beyond that of the general cemented carbide.
采用铸造方法制作牙科合金试样，分别为：普通镍铬合金16个，贵金属合金8个，并对8个镍铬合金试件清洗后行镀金处理。
Dental alloy test pieces were made by casting, among them, 16 test pieces were Ni-Cr alloys and 8 ones were gold alloys.
用途广泛，使用于铝、铜、铁、锌、不锈钢、普通钢、镍、钨、合金以及异类金属之间的焊接。
Wide-ranged applications, especially in the welding of copper, iron aluminum, steel, stainless steel and alloy.
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